Power outage history
Riley County Kansas
2.0hours
without power for the average customer in a typical year, 2018–2025
63rd most of 81 in Kansas 70% below the national median
Every day since 2015
Eleven years, one night at a time
Each cell is a day. The brighter it is, the larger the share of Riley's customers who were without power at that day's worst moment.
Year by year
Hours in the dark, per customer
2022 was the worst well-recorded year, at 5.2 hours for the average customer. Hatched years have a thin record and are left out of the averages.
Riley, hours without power per customer
The record
The biggest outages since 2015
Ranked by customer-hours lost: customers out multiplied by how long they stayed out. Times are local.
| Began | Storm | Peak out | Share | Lasted | 90% restored | Customer-hours |
|---|---|---|---|---|---|---|
| Jun 11, 2022 | Thunderstorms | 16,752 | 46% | 27 h | 16 h | 119k |
| Dec 15, 2021 | Thunderstorms | 7,445 | 20% | 32 h | 23 h | 65k |
| Nov 29, 2015 | Ice storm | 4,009 | 11% | 16 h | 11 h | 25k |
| Jun 21, 2022 | Thunderstorms | 4,679 | 13% | 14 h | 7.5 h | 22k |
| Aug 4, 2020 | No storm report | 6,875 | 19% | 2.0 h | 1.5 h | 13k |
| Jan 14, 2022 | No storm report | 2,473 | 7% | 5.0 h | 5.2 h | 11k |
| Aug 16, 2023 | No storm report | 3,943 | 11% | 2.8 h | 2.0 h | 9.2k |
| Feb 25, 2024 | No storm report | 6,779 | 18% | 1.2 h | 1.8 h | 8.5k |
| Jun 5, 2015 | Thunderstorms | 2,686 | 7% | 6.8 h | 6.5 h | 8.5k |
| Sep 10, 2015 | Thunderstorms | 4,679 | 13% | 2.8 h | 1.2 h | 8.1k |
| Apr 22, 2021 | No storm report | 15,705 | 43% | 30 min | 12 h | 7.9k |
| Sep 3, 2018 | Flooding | 1,920 | 5% | 7.8 h | 9.2 h | 6.7k |
| Aug 8, 2015 | Thunderstorms | 2,931 | 8% | 3.0 h | 2.0 h | 6.4k |
| Apr 27, 2024 | No storm report | 5,830 | 16% | 2.8 h | 2.0 h | 6.3k |
| Jun 28, 2024 | No storm report | 5,860 | 16% | 1.2 h | 1.2 h | 5.6k |
| Mar 18, 2022 | No storm report | 1,917 | 5% | 2.5 h | 2.8 h | 4.7k |
| Jul 9, 2020 | No storm report | 3,355 | 9% | 2.8 h | 2.2 h | 4.6k |
| Feb 23, 2020 | No storm report | 1,287 | 4% | 3.8 h | – | 4.5k |
| Oct 5, 2023 | No storm report | 567 | 2% | 7.0 h | – | 4.0k |
| May 23, 2021 | No storm report | 3,333 | 9% | 1.2 h | 1.2 h | 3.8k |
| Jul 13, 2016 | Thunderstorms | 3,272 | 9% | 2.0 h | 48 min | 3.8k |
| May 31, 2023 | No storm report | 538 | 1% | 6.8 h | – | 3.6k |
| Jul 19, 2018 | Thunderstorms | 1,552 | 4% | 3.2 h | – | 3.3k |
| Apr 17, 2025 | No storm report | 1,803 | 5% | 1.8 h | – | 3.2k |
| Aug 20, 2021 | Thunderstorms | 1,373 | 4% | 2.2 h | – | 3.1k |
| Jul 22, 2016 | No storm report | 1,714 | 5% | 1.8 h | – | 2.9k |
| Jan 10, 2017 | No storm report | 2,068 | 6% | 2.8 h | 2.2 h | 2.8k |
| Jul 26, 2015 | No storm report | 3,246 | 9% | 1.5 h | 1.0 h | 2.8k |
| Dec 18, 2019 | No storm report | 1,767 | 5% | 1.8 h | – | 2.7k |
| Aug 10, 2023 | No storm report | 1,419 | 4% | 2.0 h | – | 2.6k |
After the peak
How fast the lights come back
Each line is one major outage, from its peak. The amber line is the typical path.
When it happens
The outage clock
Customer-hours out by month (rings, January innermost) and local hour, 2018–2025.
What was happening
Weather behind the outages
Each outage is matched to NOAA storm reports for Riley from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.
- Thunderstorms 58%
- No storm on record 40%
- Flooding 1.7%
Who keeps the lights on
Utilities serving Riley
As each utility reports to the Energy Information Administration for its whole Kansas territory, not this county alone. Outage minutes include major storm days.
| Utility | Type | Outage min / yr | Excl. major storms | Outages / yr | Residential ¢/kWh | Customers |
|---|---|---|---|---|---|---|
| Evergy Kansas Central, Inc | Investor Owned | 126 | 80 | 1.17 | 14.6 | 344k |
| Bluestem Electric Coop Inc | KS | – | – | – | 16.6 | 70k |
| Flint Hills Rural E C A, Inc | KS | 373 | 246 | 2.77 | 15.8 | 56k |
EIA Form 861, latest year each utility reported. Outage minutes are SAIDI, the yearly minutes the average customer goes without power; outages a year are SAIFI.
Next door
Neighbouring counties
- Wabaunsee 6.5 h
- Clay 5.2 h
- Washington 3.7 h
- Marshall 3.6 h
- Pottawatomie 2.3 h
- Riley (this county) 2.0 h
- Geary 1.9 h
About these numbers
Notes
Outages come from the EAGLE-I record of utility outage maps collected every 15 minutes by Oak Ridge National Laboratory. Hours without power are customer-hours divided by the county's 36,740 electricity customers. Averages use well-covered years from 2018. Outages shorter than 15 minutes, and utilities that publish no outage map, are not in the record, so these figures understate the total. How every number is made →